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Researchers Reveal Reprompt Attack Allowing Single-Click Data Exfiltration From Microsoft Copilot

Researchers Reveal Reprompt Attack Allowing Single-Click Data Exfiltration From Microsoft Copilot

Jan 15, 2026Ravie LakshmananPrompt Injection / Enterprise Security Cybersecurity researchers have disclosed details of a new attack method dubbed Reprompt that could allow bad actors to exfiltrate sensitive data from artificial intelligence (AI) chatbots like… 

AI Voice Cloning Exploit, Wi-Fi Kill Switch, PLC Vulns, and 14 More Stories

AI Voice Cloning Exploit, Wi-Fi Kill Switch, PLC Vulns, and 14 More Stories

Jan 15, 2026Ravie LakshmananCybersecurity / Hacking News The internet never stays quiet. Every week, new hacks, scams, and security problems show up somewhere. This week’s stories show how fast attackers change their tricks, how small… 

Model Security Is the Wrong Frame – The Real Risk Is Workflow Security

Model Security Is the Wrong Frame – The Real Risk Is Workflow Security

Jan 15, 2026The Hacker NewsData Security / Artificial Intelligence As AI copilots and assistants become embedded in daily work, security teams are still focused on protecting the models themselves. But recent incidents suggest the bigger… 

Microsoft Legal Action Disrupts RedVDS Cybercrime Infrastructure Used for Online Fraud

Microsoft Legal Action Disrupts RedVDS Cybercrime Infrastructure Used for Online Fraud

Microsoft on Wednesday announced that it has taken a “coordinated legal action” in the U.S. and the U.K. to disrupt a cybercrime subscription service called RedVDS that has allegedly fueled millions in fraud losses. The… 

Palo Alto Fixes GlobalProtect DoS Flaw That Can Crash Firewalls Without Login

Palo Alto Fixes GlobalProtect DoS Flaw That Can Crash Firewalls Without Login

Jan 15, 2026Ravie LakshmananNetwork Security / Vulnerability Palo Alto Networks has released security updates for a high-severity security flaw impacting GlobalProtect Gateway and Portal, for which it said there exists a proof-of-concept (PoC) exploit. The… 

Researchers Null-Route Over 550 Kimwolf and Aisuru Botnet Command Servers

Researchers Null-Route Over 550 Kimwolf and Aisuru Botnet Command Servers

The Black Lotus Labs team at Lumen Technologies said it null-routed traffic to more than 550 command-and-control (C2) nodes associated with the AISURU/Kimwolf botnet since early October 2025. AISURU and its Android counterpart, Kimwolf, have… 

Hackers Exploit c-ares DLL Side-Loading to Bypass Security and Deploy Malware

Hackers Exploit c-ares DLL Side-Loading to Bypass Security and Deploy Malware

Security experts have disclosed details of an active malware campaign that’s exploiting a DLL side-loading vulnerability in a legitimate binary associated with the open-source c-ares library to bypass security controls and deliver a wide range… 

Fortinet Fixes Critical FortiSIEM Flaw Allowing Unauthenticated Remote Code Execution

Fortinet Fixes Critical FortiSIEM Flaw Allowing Unauthenticated Remote Code Execution

Jan 14, 2026Ravie LakshmananVulnerability / Patch Management Fortinet has released updates to fix a critical security flaw impacting FortiSIEM that could allow an unauthenticated attacker to achieve code execution on susceptible instances. The operating system…